For some chicken breeds, black, white, or speckled patterns are determined by two alleles of a single gene. These chickens have either all black feathers, all white feathers, or some black feathers and some white feathers. If two speckled chickens have a chick together, what is the probability that it will grow up to have all white feathers? a) 0 b) 1/4 c) 1/2 d) 3/4 e) 1